Lever handle controller for mortise lock

A free-wheeling handle controller for operating a mortise lock, the mortise lock having a latchbolt, a lock input for changing the mortise lock from an unlocked to a locked condition, a lock output for outputting the unlocked or locked condition of the mortise lock and a handle input for retracting the latchbolt when the mortise lock is in the unlocked condition, the free-wheeling handle controller comprising:

• a body;
• a handle;
• a lock mounted to the body and connectable to the lock input to change the mortise lock from the unlocked to the locked condition;
• a shaft mounted in the body, the shaft having first and second halves rotationally connected together along an axis of the shaft, the first half being rotated by the handle and the second half being adapted for connection to the handle input of the mortise lock;
• a lock function receiver connectable to the lock output of the mortise lock and movable by the lock output between unlocked and locked positions corresponding to the unlocked and locked conditions of the mortise lock;
• and
• a shaft lock movable by the lock function receiver between unlocked and locked positions corresponding to the unlocked and locked conditions of the mortise lock, in the unlocked position the shaft lock connecting both the first and second halves of the shaft to rotate together when the handle is turned and in the locked position the shaft lock disengaging the first and second halves of the shaft to rotate separately and allow the handle to free-wheel.